I am not a big fan of generic environments. Drawn at Suvarnabhumi airport (Bangkok) returning from India. (Yes, India comics to come!)
If you ever want to see an airport that shouts out 'You are in Cambodia', come visit "Chinese Uncle Tong's" airport in Phnom Penh. (Literal translation).
One thing I do like about airports is the relative isolation due to transit and travel. For some reason a lot of ideas come to me when flying.